On CT scan, AAH shows small pulmonary nodule with ground-glass attenuation (GGA) which may be due to partial reduction of alveolar air-space owing to increase in cellular component within the lesion.

• AAH通常是在手术切除标本镜检时偶然发现的。在CT上，AAH表现是小的肺结节伴周围毛玻璃样变（GGA），可能是因为增殖的细胞成份导致肺泡含气空间部分减少。